.sk{
    position: absolute;
    left: 180px;
    top: 20px;
}
.sk img{
    width: 60px;
    height: 60px;
}
.sk_list ul li{
    float: left;
}
.sk_list ul li a{
    font-size:16px;
    line-height: 46px;
    font-weight: 700;
    padding: 0 30px;
    color:#000;
}
.sk_list ul li a:hover{
    color:pink;
}
.sk_con ul li{
    float: left;
}
.sk_con ul li a{
    line-height: 46px;
    padding: 0 20px;
    font-size: 14px;
}
.sk_con ul li:last-child a::after{
    font-family: 'iconfont';
    content: '\e7b2';
}
.sk_container  .sk_hd img{
    width: 1200px;
}
.sk_container .sk_bd ul li{
    overflow: hidden;
    float: left;
    margin-right: 10px;
    margin-top: 20px;
    width: 290px;
    height: 460px;
    border: 1px solid transparent;
}
.sk_container .sk_bd ul li:nth-child(4n){
    margin-right:0 ;
}
.sk_container .sk_bd ul li:hover{
    border:1px solid #c81523;
}